4 * DSP-BIOS Bridge driver support functions for TI OMAP processors.
6 * Common DSP API functions, also includes the wrapper
7 * functions called directly by the DeviceIOControl interface.
9 * Copyright (C) 2005-2006 Texas Instruments, Inc.
11 * This package is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
15 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 #include <linux/types.h>
21 /* ----------------------------------- Host OS */
22 #include <dspbridge/host_os.h>
24 /* ----------------------------------- DSP/BIOS Bridge */
25 #include <dspbridge/dbdefs.h>
27 /* ----------------------------------- Trace & Debug */
28 #include <dspbridge/dbc.h>
30 /* ----------------------------------- OS Adaptation Layer */
31 #include <dspbridge/ntfy.h>
33 /* ----------------------------------- Platform Manager */
34 #include <dspbridge/chnl.h>
35 #include <dspbridge/dev.h>
36 #include <dspbridge/drv.h>
38 #include <dspbridge/proc.h>
39 #include <dspbridge/strm.h>
41 /* ----------------------------------- Resource Manager */
42 #include <dspbridge/disp.h>
43 #include <dspbridge/mgr.h>
44 #include <dspbridge/node.h>
45 #include <dspbridge/rmm.h>
47 /* ----------------------------------- Others */
48 #include <dspbridge/msg.h>
49 #include <dspbridge/cmm.h>
50 #include <dspbridge/io.h>
52 /* ----------------------------------- This */
53 #include <dspbridge/dspapi.h>
54 #include <dspbridge/dbdcd.h>
56 #include <dspbridge/resourcecleanup.h>
58 /* ----------------------------------- Defines, Data Structures, Typedefs */
59 #define MAX_TRACEBUFLEN 255
60 #define MAX_LOADARGS 16
62 #define MAX_STREAMS 16
65 /* Used to get dspbridge ioctl table */
66 #define DB_GET_IOC_TABLE(cmd) (DB_GET_MODULE(cmd) >> DB_MODULE_SHIFT)
68 /* Device IOCtl function pointer */
70 u32(*fxn) (union trapped_args *args, void *pr_ctxt);
74 /* ----------------------------------- Globals */
75 static u32 api_c_refs;
79 * The order of these functions MUST be the same as the order of the command
80 * numbers defined in dspapi-ioctl.h This is how an IOCTL number in user mode
81 * turns into a function call in kernel mode.
84 /* MGR wrapper functions */
85 static struct api_cmd mgr_cmd[] = {
86 {mgrwrap_enum_node_info}, /* MGR_ENUMNODE_INFO */
87 {mgrwrap_enum_proc_info}, /* MGR_ENUMPROC_INFO */
88 {mgrwrap_register_object}, /* MGR_REGISTEROBJECT */
89 {mgrwrap_unregister_object}, /* MGR_UNREGISTEROBJECT */
90 {mgrwrap_wait_for_bridge_events}, /* MGR_WAIT */
91 {mgrwrap_get_process_resources_info}, /* MGR_GET_PROC_RES */
94 /* PROC wrapper functions */
95 static struct api_cmd proc_cmd[] = {
96 {procwrap_attach}, /* PROC_ATTACH */
97 {procwrap_ctrl}, /* PROC_CTRL */
98 {procwrap_detach}, /* PROC_DETACH */
99 {procwrap_enum_node_info}, /* PROC_ENUMNODE */
100 {procwrap_enum_resources}, /* PROC_ENUMRESOURCES */
101 {procwrap_get_state}, /* PROC_GET_STATE */
102 {procwrap_get_trace}, /* PROC_GET_TRACE */
103 {procwrap_load}, /* PROC_LOAD */
104 {procwrap_register_notify}, /* PROC_REGISTERNOTIFY */
105 {procwrap_start}, /* PROC_START */
106 {procwrap_reserve_memory}, /* PROC_RSVMEM */
107 {procwrap_un_reserve_memory}, /* PROC_UNRSVMEM */
108 {procwrap_map}, /* PROC_MAPMEM */
109 {procwrap_un_map}, /* PROC_UNMAPMEM */
110 {procwrap_flush_memory}, /* PROC_FLUSHMEMORY */
111 {procwrap_stop}, /* PROC_STOP */
112 {procwrap_invalidate_memory}, /* PROC_INVALIDATEMEMORY */
113 {procwrap_begin_dma}, /* PROC_BEGINDMA */
114 {procwrap_end_dma}, /* PROC_ENDDMA */
117 /* NODE wrapper functions */
118 static struct api_cmd node_cmd[] = {
119 {nodewrap_allocate}, /* NODE_ALLOCATE */
120 {nodewrap_alloc_msg_buf}, /* NODE_ALLOCMSGBUF */
121 {nodewrap_change_priority}, /* NODE_CHANGEPRIORITY */
122 {nodewrap_connect}, /* NODE_CONNECT */
123 {nodewrap_create}, /* NODE_CREATE */
124 {nodewrap_delete}, /* NODE_DELETE */
125 {nodewrap_free_msg_buf}, /* NODE_FREEMSGBUF */
126 {nodewrap_get_attr}, /* NODE_GETATTR */
127 {nodewrap_get_message}, /* NODE_GETMESSAGE */
128 {nodewrap_pause}, /* NODE_PAUSE */
129 {nodewrap_put_message}, /* NODE_PUTMESSAGE */
130 {nodewrap_register_notify}, /* NODE_REGISTERNOTIFY */
131 {nodewrap_run}, /* NODE_RUN */
132 {nodewrap_terminate}, /* NODE_TERMINATE */
133 {nodewrap_get_uuid_props}, /* NODE_GETUUIDPROPS */
136 /* STRM wrapper functions */
137 static struct api_cmd strm_cmd[] = {
138 {strmwrap_allocate_buffer}, /* STRM_ALLOCATEBUFFER */
139 {strmwrap_close}, /* STRM_CLOSE */
140 {strmwrap_free_buffer}, /* STRM_FREEBUFFER */
141 {strmwrap_get_event_handle}, /* STRM_GETEVENTHANDLE */
142 {strmwrap_get_info}, /* STRM_GETINFO */
143 {strmwrap_idle}, /* STRM_IDLE */
144 {strmwrap_issue}, /* STRM_ISSUE */
145 {strmwrap_open}, /* STRM_OPEN */
146 {strmwrap_reclaim}, /* STRM_RECLAIM */
147 {strmwrap_register_notify}, /* STRM_REGISTERNOTIFY */
148 {strmwrap_select}, /* STRM_SELECT */
151 /* CMM wrapper functions */
152 static struct api_cmd cmm_cmd[] = {
153 {cmmwrap_calloc_buf}, /* CMM_ALLOCBUF */
154 {cmmwrap_free_buf}, /* CMM_FREEBUF */
155 {cmmwrap_get_handle}, /* CMM_GETHANDLE */
156 {cmmwrap_get_info}, /* CMM_GETINFO */
159 /* Array used to store ioctl table sizes. It can hold up to 8 entries */
160 static u8 size_cmd[] = {
162 ARRAY_SIZE(proc_cmd),
163 ARRAY_SIZE(node_cmd),
164 ARRAY_SIZE(strm_cmd),
168 static inline void _cp_fm_usr(void *to, const void __user * from,
169 int *err, unsigned long bytes)
174 if (unlikely(!from)) {
179 if (unlikely(copy_from_user(to, from, bytes)))
183 #define CP_FM_USR(to, from, err, n) \
184 _cp_fm_usr(to, from, &(err), (n) * sizeof(*(to)))
186 static inline void _cp_to_usr(void __user *to, const void *from,
187 int *err, unsigned long bytes)
197 if (unlikely(copy_to_user(to, from, bytes)))
201 #define CP_TO_USR(to, from, err, n) \
202 _cp_to_usr(to, from, &(err), (n) * sizeof(*(from)))
205 * ======== api_call_dev_ioctl ========
207 * Call the (wrapper) function for the corresponding API IOCTL.
209 inline int api_call_dev_ioctl(u32 cmd, union trapped_args *args,
210 u32 *result, void *pr_ctxt)
212 u32(*ioctl_cmd) (union trapped_args *args, void *pr_ctxt) = NULL;
215 if (_IOC_TYPE(cmd) != DB) {
216 pr_err("%s: Incompatible dspbridge ioctl number\n", __func__);
220 if (DB_GET_IOC_TABLE(cmd) > ARRAY_SIZE(size_cmd)) {
221 pr_err("%s: undefined ioctl module\n", __func__);
225 /* Check the size of the required cmd table */
227 if (i > size_cmd[DB_GET_IOC_TABLE(cmd)]) {
228 pr_err("%s: requested ioctl %d out of bounds for table %d\n",
229 __func__, i, DB_GET_IOC_TABLE(cmd));
233 switch (DB_GET_MODULE(cmd)) {
235 ioctl_cmd = mgr_cmd[i].fxn;
238 ioctl_cmd = proc_cmd[i].fxn;
241 ioctl_cmd = node_cmd[i].fxn;
244 ioctl_cmd = strm_cmd[i].fxn;
247 ioctl_cmd = cmm_cmd[i].fxn;
252 pr_err("%s: requested ioctl not defined\n", __func__);
255 *result = (*ioctl_cmd) (args, pr_ctxt);
265 * ======== api_exit ========
269 DBC_REQUIRE(api_c_refs > 0);
272 if (api_c_refs == 0) {
273 /* Release all modules initialized in api_init(). */
287 DBC_ENSURE(api_c_refs >= 0);
291 * ======== api_init ========
293 * Module initialization used by Bridge API.
298 bool fdrv, fdev, fcod, fchnl, fmsg, fio;
299 bool fmgr, fproc, fnode, fdisp, fstrm, frmm;
301 if (api_c_refs == 0) {
302 /* initialize driver and other modules */
311 fmsg = msg_mod_init();
315 ret = fdrv && fdev && fchnl && fcod && fmsg && fio;
316 ret = ret && fmgr && fproc && frmm;
363 * ======== api_init_complete2 ========
365 * Perform any required bridge initialization which cannot
366 * be performed in api_init() or dev_start_device() due
367 * to the fact that some services are not yet
368 * completely initialized.
371 * 0: Allow this device to load
374 * Bridge API initialized.
377 int api_init_complete2(void)
380 struct cfg_devnode *dev_node;
381 struct dev_object *hdev_obj;
382 struct drv_data *drv_datap;
385 DBC_REQUIRE(api_c_refs > 0);
387 /* Walk the list of DevObjects, get each devnode, and attempting to
388 * autostart the board. Note that this requires COF loading, which
390 for (hdev_obj = dev_get_first(); hdev_obj != NULL;
391 hdev_obj = dev_get_next(hdev_obj)) {
392 if (dev_get_dev_node(hdev_obj, &dev_node))
395 if (dev_get_dev_type(hdev_obj, &dev_type))
398 if ((dev_type == DSP_UNIT) || (dev_type == IVA_UNIT)) {
399 drv_datap = dev_get_drvdata(bridge);
401 if (drv_datap && drv_datap->base_img)
402 proc_auto_start(dev_node, hdev_obj);
409 /* TODO: Remove deprecated and not implemented ioctl wrappers */
412 * ======== mgrwrap_enum_node_info ========
414 u32 mgrwrap_enum_node_info(union trapped_args *args, void *pr_ctxt)
419 u32 size = args->args_mgr_enumnode_info.ndb_props_size;
421 if (size < sizeof(struct dsp_ndbprops))
424 pndb_props = kmalloc(size, GFP_KERNEL);
425 if (pndb_props == NULL)
430 mgr_enum_node_info(args->args_mgr_enumnode_info.node_id,
431 (struct dsp_ndbprops *)pndb_props, size,
434 CP_TO_USR(args->args_mgr_enumnode_info.ndb_props, pndb_props, status,
436 CP_TO_USR(args->args_mgr_enumnode_info.num_nodes, &num_nodes, status,
444 * ======== mgrwrap_enum_proc_info ========
446 u32 mgrwrap_enum_proc_info(union trapped_args *args, void *pr_ctxt)
451 u32 size = args->args_mgr_enumproc_info.processor_info_size;
453 if (size < sizeof(struct dsp_processorinfo))
456 processor_info = kmalloc(size, GFP_KERNEL);
457 if (processor_info == NULL)
462 mgr_enum_processor_info(args->args_mgr_enumproc_info.
464 (struct dsp_processorinfo *)
465 processor_info, size, &num_procs);
467 CP_TO_USR(args->args_mgr_enumproc_info.processor_info, processor_info,
469 CP_TO_USR(args->args_mgr_enumproc_info.num_procs, &num_procs,
471 kfree(processor_info);
476 #define WRAP_MAP2CALLER(x) x
478 * ======== mgrwrap_register_object ========
480 u32 mgrwrap_register_object(union trapped_args *args, void *pr_ctxt)
483 struct dsp_uuid uuid_obj;
485 char *psz_path_name = NULL;
488 CP_FM_USR(&uuid_obj, args->args_mgr_registerobject.uuid_obj, status, 1);
491 /* path_size is increased by 1 to accommodate NULL */
492 path_size = strlen_user((char *)
493 args->args_mgr_registerobject.sz_path_name) +
495 psz_path_name = kmalloc(path_size, GFP_KERNEL);
496 if (!psz_path_name) {
500 ret = strncpy_from_user(psz_path_name,
501 (char *)args->args_mgr_registerobject.
502 sz_path_name, path_size);
508 if (args->args_mgr_registerobject.obj_type >= DSP_DCDMAXOBJTYPE) {
513 status = dcd_register_object(&uuid_obj,
514 args->args_mgr_registerobject.obj_type,
515 (char *)psz_path_name);
517 kfree(psz_path_name);
522 * ======== mgrwrap_unregister_object ========
524 u32 mgrwrap_unregister_object(union trapped_args *args, void *pr_ctxt)
527 struct dsp_uuid uuid_obj;
529 CP_FM_USR(&uuid_obj, args->args_mgr_registerobject.uuid_obj, status, 1);
533 status = dcd_unregister_object(&uuid_obj,
534 args->args_mgr_unregisterobject.
542 * ======== mgrwrap_wait_for_bridge_events ========
544 u32 mgrwrap_wait_for_bridge_events(union trapped_args *args, void *pr_ctxt)
547 struct dsp_notification *anotifications[MAX_EVENTS];
548 struct dsp_notification notifications[MAX_EVENTS];
550 u32 count = args->args_mgr_wait.count;
552 if (count > MAX_EVENTS)
555 /* get the array of pointers to user structures */
556 CP_FM_USR(anotifications, args->args_mgr_wait.anotifications,
559 for (i = 0; i < count; i++) {
560 CP_FM_USR(¬ifications[i], anotifications[i], status, 1);
561 if (status || !notifications[i].handle) {
565 /* set the array of pointers to kernel structures */
566 anotifications[i] = ¬ifications[i];
569 status = mgr_wait_for_bridge_events(anotifications, count,
574 CP_TO_USR(args->args_mgr_wait.index, &index, status, 1);
579 * ======== MGRWRAP_GetProcessResourceInfo ========
581 u32 __deprecated mgrwrap_get_process_resources_info(union trapped_args * args,
584 pr_err("%s: deprecated dspbridge ioctl\n", __func__);
589 * ======== procwrap_attach ========
591 u32 procwrap_attach(union trapped_args *args, void *pr_ctxt)
595 struct dsp_processorattrin proc_attr_in, *attr_in = NULL;
597 /* Optional argument */
598 if (args->args_proc_attach.attr_in) {
599 CP_FM_USR(&proc_attr_in, args->args_proc_attach.attr_in, status,
602 attr_in = &proc_attr_in;
607 status = proc_attach(args->args_proc_attach.processor_id, attr_in,
608 &processor, pr_ctxt);
609 CP_TO_USR(args->args_proc_attach.ph_processor, &processor, status, 1);
615 * ======== procwrap_ctrl ========
617 u32 procwrap_ctrl(union trapped_args *args, void *pr_ctxt)
619 u32 cb_data_size, __user * psize = (u32 __user *)
620 args->args_proc_ctrl.args;
623 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
626 if (get_user(cb_data_size, psize)) {
630 cb_data_size += sizeof(u32);
631 pargs = kmalloc(cb_data_size, GFP_KERNEL);
637 CP_FM_USR(pargs, args->args_proc_ctrl.args, status,
641 status = proc_ctrl(hprocessor,
642 args->args_proc_ctrl.cmd,
643 (struct dsp_cbdata *)pargs);
646 /* CP_TO_USR(args->args_proc_ctrl.args, pargs, status, 1); */
653 * ======== procwrap_detach ========
655 u32 __deprecated procwrap_detach(union trapped_args * args, void *pr_ctxt)
657 /* proc_detach called at bridge_release only */
658 pr_err("%s: deprecated dspbridge ioctl\n", __func__);
663 * ======== procwrap_enum_node_info ========
665 u32 procwrap_enum_node_info(union trapped_args *args, void *pr_ctxt)
668 void *node_tab[MAX_NODES];
671 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
673 if (!args->args_proc_enumnode_info.node_tab_size)
676 status = proc_enum_nodes(hprocessor,
678 args->args_proc_enumnode_info.node_tab_size,
679 &num_nodes, &alloc_cnt);
680 CP_TO_USR(args->args_proc_enumnode_info.node_tab, node_tab, status,
682 CP_TO_USR(args->args_proc_enumnode_info.num_nodes, &num_nodes,
684 CP_TO_USR(args->args_proc_enumnode_info.allocated, &alloc_cnt,
689 u32 procwrap_end_dma(union trapped_args *args, void *pr_ctxt)
693 if (args->args_proc_dma.dir >= DMA_NONE)
696 status = proc_end_dma(pr_ctxt,
697 args->args_proc_dma.mpu_addr,
698 args->args_proc_dma.size,
699 args->args_proc_dma.dir);
703 u32 procwrap_begin_dma(union trapped_args *args, void *pr_ctxt)
707 if (args->args_proc_dma.dir >= DMA_NONE)
710 status = proc_begin_dma(pr_ctxt,
711 args->args_proc_dma.mpu_addr,
712 args->args_proc_dma.size,
713 args->args_proc_dma.dir);
718 * ======== procwrap_flush_memory ========
720 u32 procwrap_flush_memory(union trapped_args *args, void *pr_ctxt)
724 if (args->args_proc_flushmemory.flags >
725 PROC_WRITEBACK_INVALIDATE_MEM)
728 status = proc_flush_memory(pr_ctxt,
729 args->args_proc_flushmemory.mpu_addr,
730 args->args_proc_flushmemory.size,
731 args->args_proc_flushmemory.flags);
736 * ======== procwrap_invalidate_memory ========
738 u32 procwrap_invalidate_memory(union trapped_args *args, void *pr_ctxt)
743 proc_invalidate_memory(pr_ctxt,
744 args->args_proc_invalidatememory.mpu_addr,
745 args->args_proc_invalidatememory.size);
750 * ======== procwrap_enum_resources ========
752 u32 procwrap_enum_resources(union trapped_args *args, void *pr_ctxt)
755 struct dsp_resourceinfo resource_info;
756 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
758 if (args->args_proc_enumresources.resource_info_size <
759 sizeof(struct dsp_resourceinfo))
763 proc_get_resource_info(hprocessor,
764 args->args_proc_enumresources.resource_type,
766 args->args_proc_enumresources.
769 CP_TO_USR(args->args_proc_enumresources.resource_info, &resource_info,
777 * ======== procwrap_get_state ========
779 u32 procwrap_get_state(union trapped_args *args, void *pr_ctxt)
782 struct dsp_processorstate proc_state;
783 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
785 if (args->args_proc_getstate.state_info_size <
786 sizeof(struct dsp_processorstate))
789 status = proc_get_state(hprocessor, &proc_state,
790 args->args_proc_getstate.state_info_size);
791 CP_TO_USR(args->args_proc_getstate.proc_state_obj, &proc_state, status,
798 * ======== procwrap_get_trace ========
800 u32 procwrap_get_trace(union trapped_args *args, void *pr_ctxt)
804 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
806 if (args->args_proc_gettrace.max_size > MAX_TRACEBUFLEN)
809 pbuf = kzalloc(args->args_proc_gettrace.max_size, GFP_KERNEL);
811 status = proc_get_trace(hprocessor, pbuf,
812 args->args_proc_gettrace.max_size);
816 CP_TO_USR(args->args_proc_gettrace.buf, pbuf, status,
817 args->args_proc_gettrace.max_size);
824 * ======== procwrap_load ========
826 u32 procwrap_load(union trapped_args *args, void *pr_ctxt)
831 s32 count = args->args_proc_load.argc_index;
832 u8 **argv = NULL, **envp = NULL;
833 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
835 if (count <= 0 || count > MAX_LOADARGS) {
840 argv = kmalloc(count * sizeof(u8 *), GFP_KERNEL);
846 CP_FM_USR(argv, args->args_proc_load.user_args, status, count);
853 for (i = 0; i < count; i++) {
855 /* User space pointer to argument */
856 temp = (char *)argv[i];
857 /* len is increased by 1 to accommodate NULL */
858 len = strlen_user((char *)temp) + 1;
859 /* Kernel space pointer to argument */
860 argv[i] = kmalloc(len, GFP_KERNEL);
862 CP_FM_USR(argv[i], temp, status, len);
874 /* TODO: validate this */
875 if (args->args_proc_load.user_envp) {
876 /* number of elements in the envp array including NULL */
880 args->args_proc_load.user_envp + count)) {
886 envp = kmalloc(count * sizeof(u8 *), GFP_KERNEL);
892 CP_FM_USR(envp, args->args_proc_load.user_envp, status, count);
898 for (i = 0; envp[i]; i++) {
899 /* User space pointer to argument */
900 temp = (char *)envp[i];
901 /* len is increased by 1 to accommodate NULL */
902 len = strlen_user((char *)temp) + 1;
903 /* Kernel space pointer to argument */
904 envp[i] = kmalloc(len, GFP_KERNEL);
906 CP_FM_USR(envp[i], temp, status, len);
920 status = proc_load(hprocessor,
921 args->args_proc_load.argc_index,
922 (const char **)argv, (const char **)envp);
934 count = args->args_proc_load.argc_index;
935 for (i = 0; (i < count) && argv[i]; i++)
945 * ======== procwrap_map ========
947 u32 procwrap_map(union trapped_args *args, void *pr_ctxt)
951 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
953 if (!args->args_proc_mapmem.size)
956 status = proc_map(args->args_proc_mapmem.processor,
957 args->args_proc_mapmem.mpu_addr,
958 args->args_proc_mapmem.size,
959 args->args_proc_mapmem.req_addr, &map_addr,
960 args->args_proc_mapmem.map_attr, pr_ctxt);
962 if (put_user(map_addr, args->args_proc_mapmem.map_addr)) {
964 proc_un_map(hprocessor, map_addr, pr_ctxt);
972 * ======== procwrap_register_notify ========
974 u32 procwrap_register_notify(union trapped_args *args, void *pr_ctxt)
977 struct dsp_notification notification;
978 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
980 /* Initialize the notification data structure */
981 notification.name = NULL;
982 notification.handle = NULL;
984 status = proc_register_notify(hprocessor,
985 args->args_proc_register_notify.event_mask,
986 args->args_proc_register_notify.notify_type,
988 CP_TO_USR(args->args_proc_register_notify.notification, ¬ification,
994 * ======== procwrap_reserve_memory ========
996 u32 procwrap_reserve_memory(union trapped_args *args, void *pr_ctxt)
1000 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
1002 if ((args->args_proc_rsvmem.size <= 0) ||
1003 (args->args_proc_rsvmem.size & (PG_SIZE4K - 1)) != 0)
1006 status = proc_reserve_memory(hprocessor,
1007 args->args_proc_rsvmem.size, &prsv_addr,
1010 if (put_user(prsv_addr, args->args_proc_rsvmem.rsv_addr)) {
1012 proc_un_reserve_memory(args->args_proc_rsvmem.
1013 processor, prsv_addr, pr_ctxt);
1020 * ======== procwrap_start ========
1022 u32 procwrap_start(union trapped_args *args, void *pr_ctxt)
1026 ret = proc_start(((struct process_context *)pr_ctxt)->processor);
1031 * ======== procwrap_un_map ========
1033 u32 procwrap_un_map(union trapped_args *args, void *pr_ctxt)
1037 status = proc_un_map(((struct process_context *)pr_ctxt)->processor,
1038 args->args_proc_unmapmem.map_addr, pr_ctxt);
1043 * ======== procwrap_un_reserve_memory ========
1045 u32 procwrap_un_reserve_memory(union trapped_args *args, void *pr_ctxt)
1048 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
1050 status = proc_un_reserve_memory(hprocessor,
1051 args->args_proc_unrsvmem.rsv_addr,
1057 * ======== procwrap_stop ========
1059 u32 procwrap_stop(union trapped_args *args, void *pr_ctxt)
1063 ret = proc_stop(((struct process_context *)pr_ctxt)->processor);
1069 * ======== find_handle =========
1071 inline void find_node_handle(struct node_res_object **noderes,
1072 void *pr_ctxt, void *hnode)
1075 *noderes = idr_find(((struct process_context *)pr_ctxt)->node_id,
1083 * ======== nodewrap_allocate ========
1085 u32 nodewrap_allocate(union trapped_args *args, void *pr_ctxt)
1088 struct dsp_uuid node_uuid;
1089 u32 cb_data_size = 0;
1090 u32 __user *psize = (u32 __user *) args->args_node_allocate.args;
1092 struct dsp_nodeattrin proc_attr_in, *attr_in = NULL;
1093 struct node_res_object *node_res;
1095 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
1097 /* Optional argument */
1099 if (get_user(cb_data_size, psize))
1102 cb_data_size += sizeof(u32);
1104 pargs = kmalloc(cb_data_size, GFP_KERNEL);
1109 CP_FM_USR(pargs, args->args_node_allocate.args, status,
1112 CP_FM_USR(&node_uuid, args->args_node_allocate.node_id_ptr, status, 1);
1115 /* Optional argument */
1116 if (args->args_node_allocate.attr_in) {
1117 CP_FM_USR(&proc_attr_in, args->args_node_allocate.attr_in,
1120 attr_in = &proc_attr_in;
1126 status = node_allocate(hprocessor,
1127 &node_uuid, (struct dsp_cbdata *)pargs,
1128 attr_in, &node_res, pr_ctxt);
1131 nodeid = node_res->id + 1;
1132 CP_TO_USR(args->args_node_allocate.node, &nodeid,
1136 node_delete(node_res, pr_ctxt);
1146 * ======== nodewrap_alloc_msg_buf ========
1148 u32 nodewrap_alloc_msg_buf(union trapped_args *args, void *pr_ctxt)
1151 struct dsp_bufferattr *pattr = NULL;
1152 struct dsp_bufferattr attr;
1154 struct node_res_object *node_res;
1156 find_node_handle(&node_res, pr_ctxt,
1157 args->args_node_allocmsgbuf.node);
1162 if (!args->args_node_allocmsgbuf.size)
1165 if (args->args_node_allocmsgbuf.attr) { /* Optional argument */
1166 CP_FM_USR(&attr, args->args_node_allocmsgbuf.attr, status, 1);
1172 CP_FM_USR(&pbuffer, args->args_node_allocmsgbuf.buffer, status, 1);
1174 status = node_alloc_msg_buf(node_res->node,
1175 args->args_node_allocmsgbuf.size,
1178 CP_TO_USR(args->args_node_allocmsgbuf.buffer, &pbuffer, status, 1);
1183 * ======== nodewrap_change_priority ========
1185 u32 nodewrap_change_priority(union trapped_args *args, void *pr_ctxt)
1188 struct node_res_object *node_res;
1190 find_node_handle(&node_res, pr_ctxt,
1191 args->args_node_changepriority.node);
1196 ret = node_change_priority(node_res->node,
1197 args->args_node_changepriority.prio);
1203 * ======== nodewrap_connect ========
1205 u32 nodewrap_connect(union trapped_args *args, void *pr_ctxt)
1208 struct dsp_strmattr attrs;
1209 struct dsp_strmattr *pattrs = NULL;
1211 u32 __user *psize = (u32 __user *) args->args_node_connect.conn_param;
1213 struct node_res_object *node_res1, *node_res2;
1214 struct node_object *node1 = NULL, *node2 = NULL;
1216 if ((int)args->args_node_connect.node != DSP_HGPPNODE) {
1217 find_node_handle(&node_res1, pr_ctxt,
1218 args->args_node_connect.node);
1220 node1 = node_res1->node;
1222 node1 = args->args_node_connect.node;
1225 if ((int)args->args_node_connect.other_node != DSP_HGPPNODE) {
1226 find_node_handle(&node_res2, pr_ctxt,
1227 args->args_node_connect.other_node);
1229 node2 = node_res2->node;
1231 node2 = args->args_node_connect.other_node;
1234 if (!node1 || !node2)
1237 /* Optional argument */
1239 if (get_user(cb_data_size, psize))
1242 cb_data_size += sizeof(u32);
1244 pargs = kmalloc(cb_data_size, GFP_KERNEL);
1245 if (pargs == NULL) {
1251 CP_FM_USR(pargs, args->args_node_connect.conn_param, status,
1256 if (args->args_node_connect.attrs) { /* Optional argument */
1257 CP_FM_USR(&attrs, args->args_node_connect.attrs, status, 1);
1263 status = node_connect(node1,
1264 args->args_node_connect.stream_id,
1266 args->args_node_connect.other_stream,
1267 pattrs, (struct dsp_cbdata *)pargs);
1276 * ======== nodewrap_create ========
1278 u32 nodewrap_create(union trapped_args *args, void *pr_ctxt)
1281 struct node_res_object *node_res;
1283 find_node_handle(&node_res, pr_ctxt, args->args_node_create.node);
1288 ret = node_create(node_res->node);
1294 * ======== nodewrap_delete ========
1296 u32 nodewrap_delete(union trapped_args *args, void *pr_ctxt)
1299 struct node_res_object *node_res;
1301 find_node_handle(&node_res, pr_ctxt, args->args_node_delete.node);
1306 ret = node_delete(node_res, pr_ctxt);
1312 * ======== nodewrap_free_msg_buf ========
1314 u32 nodewrap_free_msg_buf(union trapped_args *args, void *pr_ctxt)
1317 struct dsp_bufferattr *pattr = NULL;
1318 struct dsp_bufferattr attr;
1319 struct node_res_object *node_res;
1321 find_node_handle(&node_res, pr_ctxt, args->args_node_freemsgbuf.node);
1326 if (args->args_node_freemsgbuf.attr) { /* Optional argument */
1327 CP_FM_USR(&attr, args->args_node_freemsgbuf.attr, status, 1);
1333 if (!args->args_node_freemsgbuf.buffer)
1337 status = node_free_msg_buf(node_res->node,
1338 args->args_node_freemsgbuf.buffer,
1346 * ======== nodewrap_get_attr ========
1348 u32 nodewrap_get_attr(union trapped_args *args, void *pr_ctxt)
1351 struct dsp_nodeattr attr;
1352 struct node_res_object *node_res;
1354 find_node_handle(&node_res, pr_ctxt, args->args_node_getattr.node);
1359 status = node_get_attr(node_res->node, &attr,
1360 args->args_node_getattr.attr_size);
1361 CP_TO_USR(args->args_node_getattr.attr, &attr, status, 1);
1367 * ======== nodewrap_get_message ========
1369 u32 nodewrap_get_message(union trapped_args *args, void *pr_ctxt)
1373 struct node_res_object *node_res;
1375 find_node_handle(&node_res, pr_ctxt, args->args_node_getmessage.node);
1380 status = node_get_message(node_res->node, &msg,
1381 args->args_node_getmessage.timeout);
1383 CP_TO_USR(args->args_node_getmessage.message, &msg, status, 1);
1389 * ======== nodewrap_pause ========
1391 u32 nodewrap_pause(union trapped_args *args, void *pr_ctxt)
1394 struct node_res_object *node_res;
1396 find_node_handle(&node_res, pr_ctxt, args->args_node_pause.node);
1401 ret = node_pause(node_res->node);
1407 * ======== nodewrap_put_message ========
1409 u32 nodewrap_put_message(union trapped_args *args, void *pr_ctxt)
1413 struct node_res_object *node_res;
1415 find_node_handle(&node_res, pr_ctxt, args->args_node_putmessage.node);
1420 CP_FM_USR(&msg, args->args_node_putmessage.message, status, 1);
1424 node_put_message(node_res->node, &msg,
1425 args->args_node_putmessage.timeout);
1432 * ======== nodewrap_register_notify ========
1434 u32 nodewrap_register_notify(union trapped_args *args, void *pr_ctxt)
1437 struct dsp_notification notification;
1438 struct node_res_object *node_res;
1440 find_node_handle(&node_res, pr_ctxt,
1441 args->args_node_registernotify.node);
1446 /* Initialize the notification data structure */
1447 notification.name = NULL;
1448 notification.handle = NULL;
1450 if (!args->args_proc_register_notify.event_mask)
1451 CP_FM_USR(¬ification,
1452 args->args_proc_register_notify.notification,
1455 status = node_register_notify(node_res->node,
1456 args->args_node_registernotify.event_mask,
1457 args->args_node_registernotify.
1458 notify_type, ¬ification);
1459 CP_TO_USR(args->args_node_registernotify.notification, ¬ification,
1465 * ======== nodewrap_run ========
1467 u32 nodewrap_run(union trapped_args *args, void *pr_ctxt)
1470 struct node_res_object *node_res;
1472 find_node_handle(&node_res, pr_ctxt, args->args_node_run.node);
1477 ret = node_run(node_res->node);
1483 * ======== nodewrap_terminate ========
1485 u32 nodewrap_terminate(union trapped_args *args, void *pr_ctxt)
1489 struct node_res_object *node_res;
1491 find_node_handle(&node_res, pr_ctxt, args->args_node_terminate.node);
1496 status = node_terminate(node_res->node, &tempstatus);
1498 CP_TO_USR(args->args_node_terminate.status, &tempstatus, status, 1);
1504 * ======== nodewrap_get_uuid_props ========
1506 u32 nodewrap_get_uuid_props(union trapped_args *args, void *pr_ctxt)
1509 struct dsp_uuid node_uuid;
1510 struct dsp_ndbprops *pnode_props = NULL;
1511 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
1513 CP_FM_USR(&node_uuid, args->args_node_getuuidprops.node_id_ptr, status,
1517 pnode_props = kmalloc(sizeof(struct dsp_ndbprops), GFP_KERNEL);
1518 if (pnode_props != NULL) {
1520 node_get_uuid_props(hprocessor, &node_uuid, pnode_props);
1521 CP_TO_USR(args->args_node_getuuidprops.node_props, pnode_props,
1531 * ======== find_strm_handle =========
1533 inline void find_strm_handle(struct strm_res_object **strmres,
1534 void *pr_ctxt, void *hstream)
1537 *strmres = idr_find(((struct process_context *)pr_ctxt)->stream_id,
1544 * ======== strmwrap_allocate_buffer ========
1546 u32 strmwrap_allocate_buffer(union trapped_args *args, void *pr_ctxt)
1549 u8 **ap_buffer = NULL;
1550 u32 num_bufs = args->args_strm_allocatebuffer.num_bufs;
1551 struct strm_res_object *strm_res;
1553 find_strm_handle(&strm_res, pr_ctxt,
1554 args->args_strm_allocatebuffer.stream);
1559 if (num_bufs > MAX_BUFS)
1562 ap_buffer = kmalloc((num_bufs * sizeof(u8 *)), GFP_KERNEL);
1563 if (ap_buffer == NULL)
1566 status = strm_allocate_buffer(strm_res,
1567 args->args_strm_allocatebuffer.size,
1568 ap_buffer, num_bufs, pr_ctxt);
1570 CP_TO_USR(args->args_strm_allocatebuffer.ap_buffer, ap_buffer,
1574 strm_free_buffer(strm_res,
1575 ap_buffer, num_bufs, pr_ctxt);
1584 * ======== strmwrap_close ========
1586 u32 strmwrap_close(union trapped_args *args, void *pr_ctxt)
1588 struct strm_res_object *strm_res;
1590 find_strm_handle(&strm_res, pr_ctxt, args->args_strm_close.stream);
1595 return strm_close(strm_res, pr_ctxt);
1599 * ======== strmwrap_free_buffer ========
1601 u32 strmwrap_free_buffer(union trapped_args *args, void *pr_ctxt)
1604 u8 **ap_buffer = NULL;
1605 u32 num_bufs = args->args_strm_freebuffer.num_bufs;
1606 struct strm_res_object *strm_res;
1608 find_strm_handle(&strm_res, pr_ctxt,
1609 args->args_strm_freebuffer.stream);
1614 if (num_bufs > MAX_BUFS)
1617 ap_buffer = kmalloc((num_bufs * sizeof(u8 *)), GFP_KERNEL);
1618 if (ap_buffer == NULL)
1621 CP_FM_USR(ap_buffer, args->args_strm_freebuffer.ap_buffer, status,
1625 status = strm_free_buffer(strm_res,
1626 ap_buffer, num_bufs, pr_ctxt);
1628 CP_TO_USR(args->args_strm_freebuffer.ap_buffer, ap_buffer, status,
1636 * ======== strmwrap_get_event_handle ========
1638 u32 __deprecated strmwrap_get_event_handle(union trapped_args * args,
1641 pr_err("%s: deprecated dspbridge ioctl\n", __func__);
1646 * ======== strmwrap_get_info ========
1648 u32 strmwrap_get_info(union trapped_args *args, void *pr_ctxt)
1651 struct stream_info strm_info;
1652 struct dsp_streaminfo user;
1653 struct dsp_streaminfo *temp;
1654 struct strm_res_object *strm_res;
1656 find_strm_handle(&strm_res, pr_ctxt,
1657 args->args_strm_getinfo.stream);
1662 CP_FM_USR(&strm_info, args->args_strm_getinfo.stream_info, status, 1);
1663 temp = strm_info.user_strm;
1665 strm_info.user_strm = &user;
1668 status = strm_get_info(strm_res->stream,
1670 args->args_strm_getinfo.
1673 CP_TO_USR(temp, strm_info.user_strm, status, 1);
1674 strm_info.user_strm = temp;
1675 CP_TO_USR(args->args_strm_getinfo.stream_info, &strm_info, status, 1);
1680 * ======== strmwrap_idle ========
1682 u32 strmwrap_idle(union trapped_args *args, void *pr_ctxt)
1685 struct strm_res_object *strm_res;
1687 find_strm_handle(&strm_res, pr_ctxt, args->args_strm_idle.stream);
1692 ret = strm_idle(strm_res->stream, args->args_strm_idle.flush_flag);
1698 * ======== strmwrap_issue ========
1700 u32 strmwrap_issue(union trapped_args *args, void *pr_ctxt)
1703 struct strm_res_object *strm_res;
1705 find_strm_handle(&strm_res, pr_ctxt, args->args_strm_issue.stream);
1710 if (!args->args_strm_issue.buffer)
1713 /* No need of doing CP_FM_USR for the user buffer (pbuffer)
1714 as this is done in Bridge internal function bridge_chnl_add_io_req
1716 status = strm_issue(strm_res->stream,
1717 args->args_strm_issue.buffer,
1718 args->args_strm_issue.bytes,
1719 args->args_strm_issue.buf_size,
1720 args->args_strm_issue.arg);
1726 * ======== strmwrap_open ========
1728 u32 strmwrap_open(union trapped_args *args, void *pr_ctxt)
1731 struct strm_attr attr;
1732 struct strm_res_object *strm_res_obj;
1733 struct dsp_streamattrin strm_attr_in;
1734 struct node_res_object *node_res;
1737 find_node_handle(&node_res, pr_ctxt, args->args_strm_open.node);
1742 CP_FM_USR(&attr, args->args_strm_open.attr_in, status, 1);
1744 if (attr.stream_attr_in != NULL) { /* Optional argument */
1745 CP_FM_USR(&strm_attr_in, attr.stream_attr_in, status, 1);
1747 attr.stream_attr_in = &strm_attr_in;
1748 if (attr.stream_attr_in->strm_mode == STRMMODE_LDMA)
1753 status = strm_open(node_res->node,
1754 args->args_strm_open.direction,
1755 args->args_strm_open.index, &attr, &strm_res_obj,
1758 strmid = strm_res_obj->id + 1;
1759 CP_TO_USR(args->args_strm_open.stream, &strmid, status, 1);
1765 * ======== strmwrap_reclaim ========
1767 u32 strmwrap_reclaim(union trapped_args *args, void *pr_ctxt)
1774 struct strm_res_object *strm_res;
1776 find_strm_handle(&strm_res, pr_ctxt, args->args_strm_reclaim.stream);
1781 status = strm_reclaim(strm_res->stream, &buf_ptr,
1782 &ul_bytes, &ul_buf_size, &dw_arg);
1783 CP_TO_USR(args->args_strm_reclaim.buf_ptr, &buf_ptr, status, 1);
1784 CP_TO_USR(args->args_strm_reclaim.bytes, &ul_bytes, status, 1);
1785 CP_TO_USR(args->args_strm_reclaim.arg, &dw_arg, status, 1);
1787 if (args->args_strm_reclaim.buf_size_ptr != NULL) {
1788 CP_TO_USR(args->args_strm_reclaim.buf_size_ptr, &ul_buf_size,
1796 * ======== strmwrap_register_notify ========
1798 u32 strmwrap_register_notify(union trapped_args *args, void *pr_ctxt)
1801 struct dsp_notification notification;
1802 struct strm_res_object *strm_res;
1804 find_strm_handle(&strm_res, pr_ctxt,
1805 args->args_strm_registernotify.stream);
1810 /* Initialize the notification data structure */
1811 notification.name = NULL;
1812 notification.handle = NULL;
1814 status = strm_register_notify(strm_res->stream,
1815 args->args_strm_registernotify.event_mask,
1816 args->args_strm_registernotify.
1817 notify_type, ¬ification);
1818 CP_TO_USR(args->args_strm_registernotify.notification, ¬ification,
1825 * ======== strmwrap_select ========
1827 u32 strmwrap_select(union trapped_args *args, void *pr_ctxt)
1830 struct strm_object *strm_tab[MAX_STREAMS];
1832 struct strm_res_object *strm_res;
1833 int *ids[MAX_STREAMS];
1836 if (args->args_strm_select.strm_num > MAX_STREAMS)
1839 CP_FM_USR(ids, args->args_strm_select.stream_tab, status,
1840 args->args_strm_select.strm_num);
1845 for (i = 0; i < args->args_strm_select.strm_num; i++) {
1846 find_strm_handle(&strm_res, pr_ctxt, ids[i]);
1851 strm_tab[i] = strm_res->stream;
1855 status = strm_select(strm_tab, args->args_strm_select.strm_num,
1856 &mask, args->args_strm_select.timeout);
1858 CP_TO_USR(args->args_strm_select.mask, &mask, status, 1);
1865 * ======== cmmwrap_calloc_buf ========
1867 u32 __deprecated cmmwrap_calloc_buf(union trapped_args * args, void *pr_ctxt)
1869 /* This operation is done in kernel */
1870 pr_err("%s: deprecated dspbridge ioctl\n", __func__);
1875 * ======== cmmwrap_free_buf ========
1877 u32 __deprecated cmmwrap_free_buf(union trapped_args * args, void *pr_ctxt)
1879 /* This operation is done in kernel */
1880 pr_err("%s: deprecated dspbridge ioctl\n", __func__);
1885 * ======== cmmwrap_get_handle ========
1887 u32 cmmwrap_get_handle(union trapped_args *args, void *pr_ctxt)
1890 struct cmm_object *hcmm_mgr;
1891 void *hprocessor = ((struct process_context *)pr_ctxt)->processor;
1893 status = cmm_get_handle(hprocessor, &hcmm_mgr);
1895 CP_TO_USR(args->args_cmm_gethandle.cmm_mgr, &hcmm_mgr, status, 1);
1901 * ======== cmmwrap_get_info ========
1903 u32 cmmwrap_get_info(union trapped_args *args, void *pr_ctxt)
1906 struct cmm_info cmm_info_obj;
1908 status = cmm_get_info(args->args_cmm_getinfo.cmm_mgr, &cmm_info_obj);
1910 CP_TO_USR(args->args_cmm_getinfo.cmm_info_obj, &cmm_info_obj, status,